22162841 has 2 divisors, whose sum is σ = 22162842. Its totient is φ = 22162840.

The previous prime is 22162831. The next prime is 22162853. The reversal of 22162841 is 14826122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14440000 + 7722841 = 3800^2 + 2779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22162841 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 22162841.

It is not a weakly prime, because it can be changed into another prime (22162831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11081420 + 11081421.

It is an arithmetic number, because the mean of its divisors is an integer number (11081421).

Almost surely, 2^22162841 is an apocalyptic number.

It is an amenable number.

22162841 is a deficient number, since it is larger than the sum of its proper divisors (1).

22162841 is an equidigital number, since it uses as much as digits as its factorization.

22162841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

The square root of 22162841 is about 4707.7426650147. The cubic root of 22162841 is about 280.8935780689.

Adding to 22162841 its reverse (14826122), we get a palindrome (36988963).

The spelling of 22162841 in words is "twenty-two million, one hundred sixty-two thousand, eight hundred forty-one".